<template>
	<div class="login">
		<el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
			<h3 class="title">逸创胜美</h3>
			<el-form-item prop="username">
				<el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
					<svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
				</el-input>
			</el-form-item>
			<el-form-item prop="password">
				<el-input
					v-model="loginForm.password"
					type="password"
					auto-complete="off"
					placeholder="密码"
					@keyup.enter.native="handleLogin"
				>
					<svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
				</el-input>
			</el-form-item>
			<el-form-item prop="code">
				<el-input
					v-model="loginForm.code"
					auto-complete="off"
					placeholder="验证码"
					style="width: 63%"
					@keyup.enter.native="handleLogin"
				>
					<svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
				</el-input>
				<div class="login-code">
					<img :src="codeUrl" @click="getCode" class="login-code-img"/>
				</div>
			</el-form-item>
			<el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
			<el-form-item style="width:100%;">
				<el-button
					:loading="loading"
					size="medium"
					type="primary"
					style="width:100%;"
					@click.native.prevent="handleLogin"
				>
					<span v-if="!loading">登 录</span>
					<span v-else>登 录 中...</span>
				</el-button>
			</el-form-item>
		</el-form>
		<!--  底部  -->
		<div class="el-login-footer">
			<span></span>
		</div>
	</div>
</template>

<script>
import {getCodeImg} from "@/api/login";
import {Encrypt} from '@/utils/secret.js'
import Cookies from "js-cookie";
import {encrypt, decrypt} from '@/utils/jsencrypt';
import {mapGetters} from "vuex";
import {setImToken} from '@/utils/auth'

export default {
	name: "Login",
	data() {
		return {
			codeUrl: "",
			cookiePassword: "",
			loginForm: {
				username: "",
				password: "",
				rememberMe: false,
				code: "",
				uuid: ""
			},
			loginRules: {
				username: [
					{required: true, trigger: "blur", message: "用户名不能为空"}
				],
				password: [
					{required: true, trigger: "blur", message: "密码不能为空"}
				],
				code: [{required: true, trigger: "change", message: "验证码不能为空"}]
			},
			loading: false,
			redirect: undefined
		};
	},
	watch: {
		$route: {
			handler: function (route) {
				this.redirect = route.query && route.query.redirect;
			},
			immediate: true
		}
	},
	created() {
		this.getCode();
		this.getCookie();
	},
	computed: {
		...mapGetters({
			userId: "userid"
		})
	},
	methods: {
		getCode() {
			getCodeImg().then(res => {
				this.codeUrl = "data:image/gif;base64," + res.img;
				this.loginForm.uuid = res.uuid;
			});
		},
		getCookie() {
			const username = Cookies.get("username");
			const password = Cookies.get("password");
			const rememberMe = Cookies.get('rememberMe');
			this.loginForm = {
				username: username === undefined ? this.loginForm.username : username,
				password: password === undefined ? this.loginForm.password : password,
				rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
			};
		},
		handleLogin() {
			this.$refs.loginForm.validate(valid => {
				if (valid) {
					this.loading = true;
					if (this.loginForm.rememberMe) {
						Cookies.set("username", this.loginForm.username, {expires: 30});
						Cookies.set("password", this.loginForm.password, {expires: 30});
						Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
					} else {
						Cookies.remove("username");
						Cookies.remove("password");
						Cookies.remove('rememberMe');
					}
					this.$store.dispatch("Login", this.loginForm).then((user) => {
						this.$router.push({path: this.redirect || "/"});
					}).catch(() => {
						this.loading = false;
						this.getCode();
					});
				}
			});
		}
	}
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100%;
	background-image: url("../assets/image/login-background.jpg");
	background-size: cover;
}

.title {
	margin: 0px auto 30px auto;
	text-align: center;
	color: #707070;
}

.login-form {
	border-radius: 6px;
	background: #ffffff;
	width: 400px;
	padding: 25px 25px 5px 25px;

	.el-input {
		height: 38px;

		input {
			height: 38px;
		}
	}

	.input-icon {
		height: 39px;
		width: 14px;
		margin-left: 2px;
	}
}

.login-tip {
	font-size: 26upx;
	text-align: center;
	color: #bfbfbf;
}

.login-code {
	width: 33%;
	height: 38px;
	float: right;

	img {
		cursor: pointer;
		vertical-align: middle;
	}
}

.el-login-footer {
	height: 40px;
	line-height: 40px;
	position: fixed;
	bottom: 0;
	width: 100%;
	text-align: center;
	color: #fff;
	font-family: Arial;
	font-size: 12px;
	letter-spacing: 1px;
}

.login-code-img {
	height: 38px;
}
</style>
